Thanks for contacting us and sorry for the delay getting back to you! This sounds like your video player may not be able to handle the video codec from iPhone.
I would recommend using this video player which should handle your videos well on your PC or Mac:
Hi,
Thanks for contacting us and sorry for the delay getting back to you! This sounds like your video player may not be able to handle the video codec from iPhone.
I would recommend using this video player which should handle your videos well on your PC or Mac:
https://www.videolan.org/vlc/index.html
I hope this helps! Please let me know if you have other questions or comments.
Kind regards,
Enrique